paper

New Minimal Extension of MSSM

arXiv:hep-ph/9908351 · doi:10.1016/S0370-2693(99)01247-2

Abstract

We construct a new minimal extension of the Minimal Supersymmetric Standard Model (MSSM) by promoting the -parameter to a singlet superfield. The resulting renormalizable superpotential is enforced by a -symmetry which is imposed on the non-renormalizable operators as well. The proposed model provides a natural solution to the -problem and is free from phenomenological and cosmological problems.

5 pages

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